阅读说明：本技术 一种阳光房顶棚结构 (Sunshine room ceiling structure ) 是由 熊诗财 于 2021-08-12 设计创作，主要内容包括：一种阳光房顶棚结构,包括由靠墙梁和边梁围成的框架,框架内设有若干根主梁和次梁,主梁和次梁上支撑有中空玻璃,所述主梁包括方形型材,所述方形型材的内部两侧设有用于连接螺钉的螺孔,所述方形型材的上表面左右两侧沿长度方向分别设有挡板,两挡板之间形成水槽,所述边梁包括框形型材和倒L形型材,所述框形型材的内侧板向上延伸与顶板连接,所述框形型材的顶板包括第一倾斜板和第二倾斜板,所述靠墙梁包括L形梁,所述L形梁的竖直梁的顶部设有卡凸部,所述L形梁的水平梁的中部设有卡扣部。主梁、靠墙梁和边梁的强度得到增强,主梁具有排水功能,水槽内的水从排水孔流入雨槽内进行收集和排出,靠墙梁、边梁和主梁底部基本齐平,提升平整度。(The utility model provides a sunshine roof shed structure, includes the frame that is enclosed by leaning on wall roof beam and boundary beam, is equipped with a plurality of girders and secondary beam in the frame, and it has cavity glass to support on girder and the secondary beam, the girder includes square section bar, the inside both sides of square section bar are equipped with the screw that is used for connecting screw, the upper surface left and right sides of square section bar is equipped with the baffle respectively along length direction, forms the basin between two baffles, the boundary beam includes frame shape section bar and the shape of falling L, the interior plate of frame shape section bar upwards extends and is connected with the roof, the roof of frame shape section bar includes first hang plate and second hang plate, it includes the L roof beam to lean on the wall roof beam, the top of the vertical roof beam of L roof beam is equipped with the card convex part, the middle part of the horizontal beam of L roof beam is equipped with buckle portion. The strength of the main beam, the side beam and the side beam is enhanced, the main beam has a drainage function, water in the water tank flows into the rain gutter from the drainage hole to be collected and drained, the bottoms of the side beam, the side beam and the main beam are basically flush, and the flatness is improved.)

1. The utility model provides a sunshine roof shed structure, includes the frame that is enclosed by leaning on wall roof beam and boundary beam, is equipped with a plurality of girders and secondary beam in the frame, and it has cavity glass, its characterized in that to support on girder and the secondary beam:

the main beam comprises a square section, a plurality of reinforcing ribs are arranged on the left side and the right side of the inner surface of the square section at intervals along the length direction, screw holes for connecting screws are arranged on the two sides of the inner part of the square section, baffles are respectively arranged on the left side and the right side of the upper surface of the square section along the length direction, a water tank is formed between the two baffles, the tops of the two baffles are used for supporting hollow glass on the two sides, and adhesive tapes are arranged between the tops of the two baffles and the hollow glass; a first heat insulation strip groove is formed in the middle of the upper surface of the square section, a top cover is arranged above the hollow glass corresponding to the square section, a support plate extending downwards is arranged in the middle of the top cover, a second heat insulation strip groove is formed in the bottom of the support plate, and a heat insulation strip is arranged between the first heat insulation strip groove and the second heat insulation strip groove; adhesive tapes are arranged between the lower surface of the top cover and the hollow glass on the two sides, and sealant is arranged between the outer side of the top cover and the hollow glass on the two sides;

the edge beam comprises a frame-shaped section and an inverted L-shaped section, the inner surface of the inner side plate of the frame-shaped section is provided with a plurality of reinforcing ribs along the length direction, the inner side plate of the frame-shaped section bar extends upwards to be connected with the top plate, the top plate of the frame-shaped section bar comprises a first inclined plate and a second inclined plate, heat insulation strips are respectively arranged between a bottom plate and a top plate of the frame-shaped section bar and the inverted L-shaped section bar, a horizontal plate of the inverted L-shaped section bar is used for supporting a main beam, a plurality of reinforcing ribs are arranged on the inner surface of a vertical plate of the inverted L-shaped section bar along the length direction, the top of the vertical plate of the inverted L-shaped section bar extends upwards to support hollow glass, adhesive tapes are arranged between the vertical plate of the inverted L-shaped section bar and the hollow glass, the vertical plate of the inverted L-shaped section bar is connected with a screw hole of the square section bar through screws, and drain holes are arranged on the vertical plate of the inverted L-shaped section bar at positions corresponding to the water grooves; a rain gutter is arranged on the outer side of the frame-shaped section bar, the rain gutter is fixedly connected with the second inclined plate through a screw, and an outer decoration piece is arranged on the outer side of the rain gutter; the outer sides of the adhesive tape and the hollow glass are provided with outer fasteners, and the bottoms of the outer fasteners are fixedly connected with the first inclined plate through screws;

the wall leaning beam comprises an L-shaped beam, the L-shaped beam is fixed on a wall body through a plurality of bolts, a clamping convex part is arranged at the top of a vertical beam of the L-shaped beam, and a clamping part is arranged in the middle of a horizontal beam of the L-shaped beam; a square beam is arranged at the top of the L-shaped beam, a clamping table part matched and clamped with the clamping convex part is arranged at the bottom of one side, close to the wall body, of the square beam, a straight plate beam extends downwards from one side, far away from the wall body, of the square beam, and a hook part matched with the clamping part is arranged at the bottom of the straight plate beam; the horizontal beam outer section of the L-shaped beam is used for supporting the main beam, an adhesive tape is arranged between the top of the square beam and the hollow glass, a sealing strip and a sealing adhesive are arranged between the hollow glass and the wall body, and a protective cover is arranged on the upper side between the hollow glass and the wall body.

2. A solar roof shed structure as in claim 1, wherein: the top of the baffle is bent inwards, and a rubber strip groove for mounting a rubber strip is formed in the bent position.

3. A solar roof shed structure as in claim 1, wherein: reinforcing frames are arranged on the left side and the right side of the bottom of the square section along the length direction, a lamp belt groove is formed between the two reinforcing frames, and a lamp belt buckle cover is arranged at the bottom of the lamp belt groove.

4. A solar roof shed structure as in claim 1, wherein: and the top of the vertical plate of the inverted L-shaped section bar is provided with a rubber strip groove for mounting a rubber strip.

5. A solar roof shed structure as in claim 1, wherein: a triangular cavity is formed in the horizontal plate of the inverted L-shaped section.

6. A solar roof shed structure as in claim 1, wherein: the frame-shaped section bar is characterized in that a square reinforcing section bar is arranged inside the frame-shaped section bar, a plurality of reinforcing ribs are arranged on the outer surface of the square reinforcing section bar along the length direction, and a limiting part is arranged at the top position of the inner side plate corresponding to the square reinforcing section bar.

7. A solar roof shed structure as in claim 1, wherein: the top of square roof beam is equipped with the adhesive tape groove that is used for installing the adhesive tape, the vertical roof beam internal surface of L-shaped roof beam is equipped with a plurality of strengthening ribs along length direction.

The technical field is as follows:

the invention relates to a sunlight roof shed structure.

Background art:

at present, the sunlight room is constructed according to various structural forms, wherein the ceiling of the sunlight room built according to the wall mainly comprises a frame enclosed by wall beams and edge beams, and a plurality of main beams and secondary beams are arranged in the frame and used for supporting hollow glass. Wherein, present girder, lean on wall roof beam and boundary beam, its structure all is ordinary square section bar basically, and its shortcoming is: the structural strength is low, and the bending deformation is easy to occur after long-time bearing use, so that potential safety hazards are formed; the main beam does not have a drainage function, water can permeate from the external sealant inwards after long-time use, and the situation of dripping and leaking water into a room is easy to occur when rainwater is heavy; the main beam and the side beams do not have the bridge-cut-off function, external heat is easily conducted to the interior of the sunlight room through the main beam in summer to cause internal overheating, and internal heat is easily conducted to the exterior through the main beam in winter to cause internal temperature reduction; and fourthly, the wall leaning beam and the edge beam are generally installed at the bottom of the main beam to support the main beam, and obvious height differences exist among the wall leaning beam, the edge beam and the main beam, so that the flatness of corners of the indoor wall leaning beam and the edge beam is influenced.

Therefore, the ceiling problem of the sunlight room becomes a technical problem to be solved urgently in the industry.

The invention content is as follows:

the invention provides a sunlight roof shed structure for making up the defects of the prior art, solves the problem that the prior main beam, the wall leaning beam and the boundary beam are easy to bend and deform after bearing for a long time, solves the problem that the prior main beam is easy to drip water and leak water indoors, and solves the problems that the prior wall leaning beam, the boundary beam and the main beam have obvious height difference and influence the flatness of indoor corners.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a sunlight roof shed structure comprises a frame enclosed by wall beams and edge beams, a plurality of main beams and secondary beams are arranged in the frame, hollow glass is supported on the main beams and the secondary beams,

the main beam comprises a square section, a plurality of reinforcing ribs are arranged on the left side and the right side of the inner surface of the square section at intervals along the length direction, screw holes for connecting screws are arranged on the two sides of the inner part of the square section, baffles are respectively arranged on the left side and the right side of the upper surface of the square section along the length direction, a water tank is formed between the two baffles, the tops of the two baffles are used for supporting hollow glass on the two sides, and adhesive tapes are arranged between the tops of the two baffles and the hollow glass; a first heat insulation strip groove is formed in the middle of the upper surface of the square section, a top cover is arranged above the hollow glass corresponding to the square section, a support plate extending downwards is arranged in the middle of the top cover, a second heat insulation strip groove is formed in the bottom of the support plate, and a heat insulation strip is arranged between the first heat insulation strip groove and the second heat insulation strip groove; adhesive tapes are arranged between the lower surface of the top cover and the hollow glass on the two sides, and sealant is arranged between the outer side of the top cover and the hollow glass on the two sides;

the edge beam comprises a frame-shaped section and an inverted L-shaped section, the inner surface of the inner side plate of the frame-shaped section is provided with a plurality of reinforcing ribs along the length direction, the inner side plate of the frame-shaped section bar extends upwards to be connected with the top plate, the top plate of the frame-shaped section bar comprises a first inclined plate and a second inclined plate, heat insulation strips are respectively arranged between a bottom plate and a top plate of the frame-shaped section bar and the inverted L-shaped section bar, a horizontal plate of the inverted L-shaped section bar is used for supporting a main beam, a plurality of reinforcing ribs are arranged on the inner surface of a vertical plate of the inverted L-shaped section bar along the length direction, the top of the vertical plate of the inverted L-shaped section bar extends upwards to support hollow glass, adhesive tapes are arranged between the vertical plate of the inverted L-shaped section bar and the hollow glass, the vertical plate of the inverted L-shaped section bar is connected with a screw hole of the square section bar through screws, and drain holes are arranged on the vertical plate of the inverted L-shaped section bar at positions corresponding to the water grooves; a rain gutter is arranged on the outer side of the frame-shaped section bar, the rain gutter is fixedly connected with the second inclined plate through a screw, and an outer decoration piece is arranged on the outer side of the rain gutter; the outer sides of the adhesive tape and the hollow glass are provided with outer fasteners, and the bottoms of the outer fasteners are fixedly connected with the first inclined plate through screws;

the wall leaning beam comprises an L-shaped beam, the L-shaped beam is fixed on a wall body through a plurality of bolts, a clamping convex part is arranged at the top of a vertical beam of the L-shaped beam, and a clamping part is arranged in the middle of a horizontal beam of the L-shaped beam; a square beam is arranged at the top of the L-shaped beam, a clamping table part matched and clamped with the clamping convex part is arranged at the bottom of one side, close to the wall body, of the square beam, a straight plate beam extends downwards from one side, far away from the wall body, of the square beam, and a hook part matched with the clamping part is arranged at the bottom of the straight plate beam; the horizontal beam outer section of the L-shaped beam is used for supporting the main beam, an adhesive tape is arranged between the top of the square beam and the hollow glass, a sealing strip and a sealing adhesive are arranged between the hollow glass and the wall body, and a protective cover is arranged on the upper side between the hollow glass and the wall body.

The top of the baffle is bent inwards, and a rubber strip groove for mounting a rubber strip is formed in the bent position.

Reinforcing frames are arranged on the left side and the right side of the bottom of the square section along the length direction, a lamp belt groove is formed between the two reinforcing frames, and a lamp belt buckle cover is arranged at the bottom of the lamp belt groove.

And the top of the vertical plate of the inverted L-shaped section bar is provided with a rubber strip groove for mounting a rubber strip.

A triangular cavity is formed in the horizontal plate of the inverted L-shaped section.

The frame-shaped section bar is characterized in that a square reinforcing section bar is arranged inside the frame-shaped section bar, a plurality of reinforcing ribs are arranged on the outer surface of the square reinforcing section bar along the length direction, and a limiting part is arranged at the top position of the inner side plate corresponding to the square reinforcing section bar.

The top of square roof beam is equipped with the adhesive tape groove that is used for installing the adhesive tape, the vertical roof beam internal surface of L-shaped roof beam is equipped with a plurality of strengthening ribs along length direction.

By adopting the scheme, the invention has the following advantages:

(1) for the main beam, the left side and the right side of the inner surface of the square section bar are provided with the plurality of reinforcing ribs at intervals along the length direction, so that the strength of the main beam can be enhanced, and the bending deformation is avoided; the left side and the right side of the upper surface of the square section bar are provided with the baffles, the water tank is formed between the two baffles, water which penetrates inwards from the external sealant can be received by the water tank, and finally, the water flows into the rain gutter from one end of the main beam through the water discharge holes on the side beams to be collected and discharged, so that the situations of water dripping and water leakage indoors can be avoided; through set up thermal-insulated strip between girder and top cap, form the bridge cut-off, avoided inside and outside heat to keep warm and insulate against heat through the girder transmission.

(2) For the boundary beam, a plurality of reinforcing ribs are arranged on the inner surface of the inner side plate of the frame-shaped section along the length direction, a plurality of reinforcing ribs are arranged on the inner surface of the vertical plate of the inverted L-shaped section along the length direction, and meanwhile, a square reinforcing section is arranged inside the frame-shaped section, so that the strength of the frame-shaped section is greatly improved, and the condition that the frame-shaped section is low in structural strength and easy to bend and deform in the past is avoided; the main beam is supported by the horizontal plate of the inverted L-shaped section bar, so that the main beam is basically flush with the bottom of the edge beam, the flatness at the corner of the indoor edge beam is ensured, and the integral sense effect is improved; the heat insulation strip is arranged between the frame-shaped section and the inverted L-shaped section to form a broken bridge, so that the transmission of internal and external heat through the boundary beam is avoided, and heat insulation is realized.

(3) To leaning on the wall roof beam, through with the card convex part at L-shaped roof beam top and square roof beam be close to the card platform looks joint of wall body one side bottom, with the buckle portion in the middle part of the horizontal beam of L-shaped roof beam and the couple looks joint of straight plate bottom, form and lean on the wall roof beam structure, straight plate can shelter from a plurality of bolt inside and not expose, promote pleasing to the eye effect, the girder supports through the horizontal beam outer segment of L-shaped roof beam, make the girder flush basically with the bottom that leans on the wall roof beam, the roughness of indoor leaning on wall roof beam corner has been guaranteed, promote whole sense organ effect.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the main beam portion of the present invention.

FIG. 3 is a schematic view of the structure of the side sill of the present invention.

Fig. 4 is a schematic structural view of the portion of the invention near the wall beam.

In the figure, 1, wall beam, 2, edge beam, 3, main beam, 4, secondary beam, 5, hollow glass, 6, square section bar, 7, reinforcing rib, 8, screw hole, 9, baffle, 10, water tank, 11, adhesive tape, 12, first heat insulation strip groove, 13, top cover, 14, support plate, 15, second heat insulation strip groove, 16, heat insulation strip, 17, sealant, 18, inverted L-shaped section bar, 19, first inclined plate, 20, second inclined plate, 21, drain hole, 22, rain groove, 23, outer, 24, outer fastener, 25, L-shaped beam, 26, bolt, 27, wall body, 28, clamping convex part, 29, clamping part, 30, square beam, 31, clamping platform part, 32, straight beam, 33, hook part, 34, sealing strip, 35, protective cover, 36, reinforcing frame, 37, lamp belt groove, 38, lamp belt cover, 39, triangle cavity, 40, square reinforcing section bar, 41, limiting part, 42. inner side plate, 43, bottom plate.

The specific implementation mode is as follows:

in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

As shown in figures 1-4, a sunlight roof shed structure comprises a frame enclosed by wall beams 1 and boundary beams 2, a plurality of main beams 3 and secondary beams 4 are arranged in the frame, hollow glass 5 is supported on the main beams 3 and the secondary beams 4,

the main beam 3 comprises a square section bar 6, a plurality of reinforcing ribs 7 are arranged on the left side and the right side of the inner surface of the square section bar 6 at intervals along the length direction, the strength of the main beam can be enhanced, the bending deformation is avoided, screw holes 8 for connecting screws are arranged on the two sides inside the square section bar 6, baffles 9 are respectively arranged on the left side and the right side of the upper surface of the square section bar 6 along the length direction, the baffles 9 and the square section bar 6 are integrally formed, a water tank 10 is formed between the two baffles 9, water permeating inwards from an external sealant can be received by the water tank 10, and finally flows into a rain tank 22 from one end of the main beam through a water discharge hole 21 on the side beam to be collected and discharged, so that the situations of water dripping and water leakage indoors can be avoided; the tops of the two baffles 9 are used for supporting the hollow glass 5 on two sides, and adhesive tapes 11 are arranged between the tops of the two baffles 9 and the hollow glass 5 for sealing; a first heat insulation strip groove 12 is formed in the middle of the upper surface of the square section 6, a top cover 13 is arranged above the hollow glass 5 corresponding to the square section 6, a support plate 14 extending downwards is arranged in the middle of the top cover 13, a second heat insulation strip groove 15 is formed in the bottom of the support plate 14, a heat insulation strip 16 is arranged between the first heat insulation strip groove 12 and the second heat insulation strip groove 15, a bridge cut-off is formed through the heat insulation strip 16, internal and external heat is prevented from being transmitted through a main beam, and the heat insulation function is achieved; an adhesive tape 11 is arranged between the lower surface of the top cover 13 and the hollow glass 5 on the two sides, a sealant 17 is arranged between the outer side of the top cover 13 and the hollow glass 5 on the two sides, and the main beam is sealed by the adhesive tape 11 and the sealant 17, so that rainwater is prevented from entering the main beam from a gap between the top cover 13 and the hollow glass 5 as far as possible;

the boundary beam 2 comprises a frame-shaped section bar and an inverted L-shaped section bar 18, a plurality of reinforcing ribs 7 are arranged on the inner surface of an inner side plate 42 of the frame-shaped section bar along the length direction, the inner side plate 42 of the frame-shaped section bar extends upwards to be connected with a top plate, the top plate of the frame-shaped section bar comprises a first inclined plate 19 and a second inclined plate 20, the inclination angle of the first inclined plate 19 is larger than that of the second inclined plate 20, the first inclined plate 19 is used for installing an outer fastener 24, the second inclined plate 20 is used for installing a rain gutter 22, the first inclined plate 19 and the second inclined plate 20 are obliquely arranged to be beneficial to rainwater to smoothly enter the rain gutter 22 for collection and discharge, heat insulation strips 16 are respectively arranged between a bottom plate 43 and the top plate of the frame-shaped section bar and the inverted L-shaped section bar, a broken bridge is formed by the heat insulation strips 16, the transmission of internal and external heat through the boundary beam is avoided, the heat insulation is kept, a horizontal plate of the inverted L-shaped section bar 18 is used for supporting the main beam 3, the main beam 3 is basically flush with the bottom of the edge beam 2, flatness of the corner of the indoor edge beam 2 is guaranteed, a plurality of reinforcing ribs 7 are arranged on the inner surface of a vertical plate of the inverted L-shaped section 18 along the length direction, the top of the vertical plate of the inverted L-shaped section 18 extends upwards to be used for supporting the hollow glass 5, an adhesive tape 11 is arranged between the vertical plate of the inverted L-shaped section 18 and the hollow glass 5, the vertical plate of the inverted L-shaped section 18 is fixedly connected with a screw hole 8 of the square section 6 through a screw, a drain hole 21 is arranged on the vertical plate of the inverted L-shaped section 18 corresponding to the position of the water tank 10, and water in the water tank 10 enters a rain groove 22 from the drain hole 21; a rain gutter 22 is arranged on the outer side of the frame-shaped section bar, the rain gutter 22 is fixedly connected with the second inclined plate 20 through a screw, and an outer decoration 23 is arranged on the outer side of the rain gutter 22, so that the effects of decoration and attractiveness are achieved; the outer sides of the adhesive tape 11 and the hollow glass 5 are provided with outer fasteners 24, the bottoms of the outer fasteners 24 are fixedly connected with the first inclined plates 19 through screws, the outer fasteners 24 protect the adhesive tape 11 to prevent rainwater and dust from entering a room, and heat preservation layers can be filled in the outer fasteners 24 to preserve heat and insulate heat;

the wall beam 1 comprises an L-shaped beam 25, the L-shaped beam 25 is fixed on a wall body 27 through a plurality of bolts 26, a clamping convex part 28 is arranged at the top of a vertical beam of the L-shaped beam 25, and a clamping part 29 is arranged in the middle of a horizontal beam of the L-shaped beam 25; a square beam 30 is arranged at the top of the L-shaped beam 25, a clamping table portion 31 matched and clamped with the clamping convex portion 28 is arranged at the bottom of one side, close to the wall body 27, of the square beam 30, a straight plate beam 32 extends downwards from one side, far away from the wall body, of the square beam 30, and a hook portion 33 matched with the clamping portion 29 is arranged at the bottom of the straight plate beam 32; clamping a clamping convex part 28 at the top of the L-shaped beam 25 and a clamping table part 31 at the bottom of one side, close to the wall, of the square beam 30, clamping a clamping part 29 in the middle of a horizontal beam of the L-shaped beam 30 and a hook part 33 at the bottom of a straight beam 32, forming a wall-leaning beam after combination, wherein a plurality of bolts 26 can be shielded inside by the straight beam 32 without being exposed, so that the attractive effect is improved, the main beam 3 is supported through the outer section of the horizontal beam of the L-shaped beam 25, so that the main beam 3 is basically flush with the bottom of the wall-leaning beam 1, and the flatness of the corner of the indoor wall-leaning beam 1 is ensured; the horizontal beam outer section of L-shaped roof beam 25 is used for supporting girder 3, be equipped with adhesive tape 11 between the top of square roof beam 30 and cavity glass 5, seal through adhesive tape 11, be equipped with sealing strip 34 and sealed glue 17 between cavity glass 5 and the wall body 27, can prevent that water and dust from getting into by wall roof beam 1 inside from the gap between cavity glass 5 and the wall body 27, and then get into indoorly, strengthen sealed effect, the upside is equipped with protection casing 35 between cavity glass 5 and the wall body 27, can play the guard action to sealing strip 34 and sealed glue 17, prevents to drench and insolate and influence sealed life-span of gluing.

The top of baffle 9 is inwards buckled, and the department of buckling is equipped with the adhesive tape groove that is used for installing adhesive tape 11, can be more firm with adhesive tape 11 is fixed.

Reinforcing frames 36 are arranged on the left side and the right side of the bottom of the square section bar 6 along the length direction, the reinforcing frames 36 and the square section bar 6 are integrally formed, a lamp belt groove 37 is formed between the two reinforcing frames 36, a lamp belt can be mounted in the lamp belt groove 37, and a lamp belt buckle cover 38 is arranged at the bottom of the lamp belt groove 37.

The top of the vertical plate of the inverted L-shaped section bar 18 is provided with a rubber strip groove for installing the rubber strip 11, so that the rubber strip 11 can be fixed more firmly.

The triangular cavity 39 is arranged in the horizontal plate of the inverted L-shaped section bar 18, and the triangular cavity 39 can reduce the weight of the horizontal plate of the inverted L-shaped section bar 18 and does not influence the strength and the bearing capacity of the horizontal plate of the inverted L-shaped section bar 18.

The inside of frame section bar is equipped with square reinforcement section bar 40, and the surface of square reinforcement section bar 40 is equipped with a plurality of strengthening ribs 7 along length direction, has promoted the intensity of frame section bar greatly, avoids the low easy bending deformation's that appears of structural strength condition in the past, the interior plate 42 corresponds the top position of square reinforcement section bar 40 and is equipped with spacing portion 41, and spacing portion 41 is used for playing spacing and positioning action to square reinforcement section bar 40.

The top of the square beam 30 is provided with a rubber strip groove for installing the rubber strip 11, so that the rubber strip 11 can be fixed more firmly, and the inner surface of the vertical beam of the L-shaped beam 25 is provided with a plurality of reinforcing ribs 7 along the length direction, so that the strength is increased.

The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.